A3T40 Mersen A3T Low Voltage Fuse 300V 40A Fuse - Essential Electric Supply
A3T40 Mersen A3T Low Voltage Fuse 300V 40A Fuse - Essential Electric Supply

Mersen A3T40 - Class T Fuse 40A 300V (200kA AIC)

Mersen
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Mersen A3T40 is a Class T low-voltage fuse designed for high-performance circuit protection in demanding industrial applications. It features a 300V AC/DC voltage rating and 40A current rating with a 200kA interrupting capacity at rated voltage, housed in a compact 0.56" diameter single-barrel design. The fuse's rugged construction meets UL/CSA standards for time-delay protection, with a 5 lb weight indicating robust build quality. Typical applications include motor branch circuits, transformers, and power distribution equipment requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Class T time-delay fuse, single barrel construction
  • Voltage Rating: 300V AC/DC
  • Current Rating: 40A
  • Dimensions: 0.56" diameter
  • Standards: UL/CSA listed
  • Applications: Motor circuits, transformers, power distribution
  • AIC rating: 200kA@300V
  • Class Rating: T
  • Barrels: 1
  • Weight: 5 lb
Product Identification
  • UPC: 782001890117
  • GTIN: 00782001890117